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ASRock

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryzen™ Processors motherboard Mini ITX

Based on 830 reviews
Condition: New
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$173.00
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Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon
Arrives Tuesday, Nov 3
Order within 10 hours and 28 minutes

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At a glance

Condition
New
Style
Motherboard
Model
B550M-ITX/AC
Storage
64 GB
Dimensions
5.8"L x 2.5"W x 11"H
Weight
425 g
CPU Socket
Socket AM4
Warranty
3 years
Works with
Personal Computer

Features 4

  • Supports AMD AM4 Socket Ryzen 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors but not compatible with AMD Athlon Processors
  • Supports DDR4 4733+ (OC)
  • Graphics Output: DisplayPort, HDMI
  • 7.1 CH HD Audio (Realtek ALC887 Audio Codec)

Description

Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well. Operating System Microsoft Windows 10 64-bit.

Specs 32

Brand ASRock
CPU Socket Socket AM4
RAM Memory Technology DDR4
Compatible Processors AMD Ryzen 5000/4000/3000 Series
Chipset Type AMD B550
Memory Clock Speed 2400 MHz
Platform Windows 10, Windows 11
Model Name B550M-ITX/AC

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

Great AM4 motherboard for ITX/SFF builds
Style: Motherboard
Review Image by TheGerleys
Review Image by TheGerleys
Review Image by TheGerleys
Review Image by TheGerleys
Review Image by TheGerleys
I’ve bought this motherboard more than any other motherboard in my life, and I’ve bought many. It’s all you need for AM4 ITX/SFF builds. Easy to use. Runs stable with XMP/EXPO memory overclock. Came with the latest BIOS installed. I used a Ryzen 5600X and RTX 5070 with this motherboard. Ethernet, Wifi, and Bluetooth work right out of the box. ... show more
Reviewed in the United States on March 31, 2026 by TheGerleys
Working great with a Ryzen 5 5500
Style: Motherboard
It's a very nice budget motherboard. The 8 power phase design do help keep it running at normal temperatures. I did not need to update the firmware to run this CPU. I like that the motherboard supports the "Resizable BAR" GPU memory feature. When installing Windows 10 (final 22H2 release), I noticed the OS immediately downloaded the Realtek Audio Console App for me. It was nice not to have to worry about this. The motherboard is set to fast boot, but this can be changed in the BIOS settings should you need to train the motherboard with your RAM. Not much to say other than it was easy to setup and I am happy with the results. ... show more
Reviewed in the United States on February 5, 2026 by Restful Cargo
A great product with a great price!
Style: Motherboard
It's solid, convenient, and easy to use. The included instruction sheet could be a little more clear but it's usable. I quite like Asrock boards. They always do a great job for me.
Reviewed in the United States on January 14, 2026 by Dave E.
Good BIOS menu and function, experienced blue screen due to BIOS
Style: Motherboard
Used this board for a mini ITX build. I think the board is well built, includes the most important headers (no USB C header for case sadly) and has a good BIOS menu with plenty of settings to use XMP and other options. My Ryzen 5 5600x worked out of box and did not require a BIOS update. This board was 100% functional for the first 3 months I had it, then I started to experience blue screens that I could not solve. Finally, after a couple days and a few hours, I figured out that it was a BIOS issue and when I updated the BIOS and cleaned my PC, it worked fine again. I like the board, I think it has exceptional value in a budget board. I hope it continues to work into the future. ... show more
Reviewed in the United States on July 30, 2024 by bart
1st board fried. 2nd board also fried.
Style: Motherboard
I rarely feel the need to leave a review for a product, but the people have to be warned. This board has terrible power delivery, and will leave you frustrated. I'm not running a lot of high power items from this board, but it seems to fry every time I plug everything into it. I have 3 case fans and CPU fan, an RX 6400 and 5600G processor and a USB 3 header. It is all running off an 80+ bronze power supply rated at 550. You could run all these components off about half that wattage. 1st Board immediately gave off an electrical burning smell upon first boot and never powered on. After bread-boarding, I sent the board back to amazon for a replacement. The second board managed to last until I could not send it back, then, after an upgrade, and connecting my USB 3.0 header, I smell electrical burning and it will no longer power on. I've been building PCs since 1999, and know the allure of an inexpensive motherboard. I have used plenty of affordable motherboards in my time and very rarely had issues, but this is definitely the exception. do yourself a favor and buy something else. ... show more
Reviewed in the United States on July 10, 2023 by Jon I. Loyd
Work out of box.
Style: Motherboard
work out of box, my cpu is R5 5600X3D easy BIOS setup minimal driver needed
Reviewed in the United States on September 28, 2026 by Arthur
Great AM4 B550 Mobo
Style: Motherboard
Great cheap mini itx for for am4. Only problem with this is am4 is getting old but that's nothing to do with the product itself. Its easy to build on its small with a basic layout. Can fit inside of most mini itx cases you want and my bios came preupdated.
Reviewed in the United States on January 10, 2026 by nick J.
Perfect choice when you're upgrading DDR4 SFF build in 2025
Style: Motherboard
Purchased this M/B as this is the last available upgrade choice which can utilize my DDR4 RAMs. (As of 2025 October) Works perfectly well with 5700X3D processor - PBO & Curve Optimizer supported. BIOS version was v3.40 Only quick guide was included in the box, but builders interested in ITX board/SFF PCs will not really need more than this. ... show more
Reviewed in the United States on October 29, 2025 by Cleanguy
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